CN212634680U - Grabbing mechanism and welding equipment for polar plate - Google Patents

Abstract

The utility model relates to a snatch mechanism, inhale the annex including connecting plate, clamp plate and a plurality of first. Through setting up foretell mechanism that snatchs, when snatching the welding piece, ensure that the array orientation of a plurality of first annex and a plurality of first portion of compressing tightly is the same with the lengthwise direction of welding piece, then support first portion of compressing tightly in the welding piece, the cooperation deviates from the first adsorption end of the neat straight of connecting portion one end with first portion of compressing tightly, first adsorption end can support simultaneously with first portion of compressing tightly and press on the welding piece, and to wavy welding piece or the straight welding piece that has the stick up limit condition, the first portion of compressing tightly of accessible flattens the welding piece, next the first adsorption end of accessible adsorbs the welding piece and snatchs, ensure that the mechanism can be stable snatch the welding piece, reduce and snatch the degree of difficulty, thereby snatch efficiency, and the production efficiency is improved. The utility model discloses still relate to a welding equipment for polar plate.

Description

Grabbing mechanism and welding equipment for polar plate

Technical Field

The utility model relates to a polar plate preparation equipment technical field especially relates to a snatch mechanism and be used for welding equipment of polar plate.

Background

Bipolar plates, also known as collector plates, are one of the important components of fuel cells. Can be used for separating fuel and oxidant and preventing gas from permeating; collecting and conducting current; uniformly distributing gas to a reaction layer of an electrode to perform electrode reaction; heat removal and resistance to shock and vibration. In the production and processing process of the existing fuel cell, the bipolar plate is mainly produced and processed by a welding machine, and two metal sheets are required to be welded together to form a component in the processing process.

However, the two metal sheets of the welding component parts are long and narrow metal sheets, and the two metal sheets are made of stainless steel materials, are very thin and are very easy to deform. One of which is a wavy sheet and the other is a flat sheet, and the two metal sheets have the same length and different widths. The difficulty of grabbing the metal sheet in the production process is high, so that the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a grabbing mechanism and a welding device for a pole plate, which are convenient for grabbing a metal sheet so as to improve the production efficiency of the pole plate, in order to solve the problem of low production efficiency of the existing pole plate.

A grasping mechanism comprising:

a connecting plate;

a plurality of first suction fittings arranged on the connecting plate, wherein each first suction fitting is provided with a first suction end; and

the pressing plate is provided with a connecting portion and a plurality of first pressing portions, the connecting portion is detachably connected to one side of the connecting plate in a first direction, the first pressing portions are connected to the other side of the connecting portion in the first direction, the first suction parts and the first pressing portions are alternately arranged in a fourth direction perpendicular to the first direction at intervals, the first suction parts penetrate through the connecting portion, and the first suction ends and one ends, deviating from the connecting portion, of the first pressing portions are flush in the first direction.

Through setting up foretell mechanism that snatchs, when snatching the welding piece, ensure that the array orientation of a plurality of first annex and a plurality of first portion of compressing tightly is the same with the lengthwise direction of welding piece, then support first portion of compressing tightly in the welding piece, the cooperation deviates from the first adsorption end of the neat straight of connecting portion one end with first portion of compressing tightly, first adsorption end can support simultaneously with first portion of compressing tightly and press on the welding piece, and to wavy welding piece or the straight welding piece that has the stick up limit condition, the first portion of compressing tightly of accessible flattens the welding piece, next the first adsorption end of accessible adsorbs the welding piece and snatchs, ensure that the mechanism can be stable snatch the welding piece, reduce and snatch the degree of difficulty, thereby snatch efficiency, and the production efficiency is improved.

In one embodiment, the grabbing mechanism further comprises a second mounting plate and an elastic member, the connecting plate is arranged on the second mounting plate in a reciprocating manner along the first direction, the elastic member is connected between the second mounting plate and the connecting plate and used for providing elastic force for enabling the connecting plate to be away from the second mounting plate, and the connecting part is detachably connected to one side, away from the second mounting plate, of the connecting plate.

In one embodiment, the grabbing mechanism further comprises a guide rod which is connected to the second mounting plate in a reciprocating manner along the first direction, and the guide rod is fixedly connected to one side of the connecting plate facing the second mounting plate.

In one embodiment, the guide bar has a flattening position during the reciprocating movement along the first direction;

when the guide rod is located the position of flattening, the one end that first portion of compressing tightly deviates from connecting portion reaches first absorption end all supports and presses in the welding piece.

In one embodiment, the connecting plates and the pressing plates are respectively composed of two pieces, each connecting plate is arranged on the second mounting plate in a reciprocating manner along the first direction, the two connecting plates are oppositely arranged, and each pressing plate is detachably connected to a corresponding connecting plate;

the first suction fittings are divided into two groups, each group comprises a plurality of first suction fittings, and the first suction fittings of each group are arranged on the corresponding connecting plate.

In one embodiment, the grabbing mechanism further comprises a plurality of second adsorption pieces, the second adsorption pieces are arranged on the connecting plate, and each second adsorption piece is provided with a second adsorption end;

the clamp plate further comprises a plurality of second pressing portions, the second pressing portions are connected to one side, away from the connecting portion, of the connecting plate, the second adsorbing pieces are arranged on the second pressing portions in the fourth direction at intervals in an alternating mode, the second adsorbing pieces penetrate through the connecting plate, and the second adsorbing ends and the ends, away from the connecting portion, of the second pressing portions are flush with each other in the first direction.

In one embodiment, an end of the first compressing portion, which is away from the connecting portion, is flush with an end of the second compressing portion, which is away from the connecting portion, the plurality of first compressing portions and the plurality of second compressing portions are in one-to-one correspondence, and each first compressing portion and the corresponding second compressing portion are arranged at intervals in a fifth direction perpendicular to the first direction and the fourth direction.

In one embodiment, the grabbing mechanism further comprises a first magnetic attraction piece, the first magnetic attraction piece is arranged on the connecting plate, and the first magnetic attraction piece and the pressing plate can attract each other.

A welding device for a polar plate comprises a feeding device, a welding device, a discharging device and the grabbing mechanism;

the feeding device is used for conveying welding sheets, the welding device is arranged on the downstream side of the feeding device and is used for carrying out welding treatment on the welding sheets, and the discharging device is arranged on the downstream side of the welding device;

the grabbing mechanism is used for grabbing the welding sheet to be in the feeding device, the welding device and the blanking box are transferred.

In one embodiment, the gripping mechanism further comprises a handling assembly and a second mounting plate, the connecting plate is connected to the second mounting plate, and the handling assembly is connected to the second mounting plate for transferring the second mounting plate.

Drawings

Fig. 1 is a schematic top view of a welding apparatus for a pole plate according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a first feeding mechanism of the welding apparatus shown in FIG. 1;

FIG. 3 is a schematic view of a matching relationship between a bearing plate, a positioning column and a lifting plate of the first loading mechanism shown in FIG. 2;

FIG. 4 is a schematic view of another matching relationship between the bearing plate, the positioning column and the lifting plate of the first loading mechanism shown in FIG. 2;

FIG. 5 is a schematic top view of a weld positioning mechanism of the welding apparatus shown in FIG. 1;

FIG. 6 is a schematic view of a partial structure of a gripping mechanism of the welding apparatus shown in FIG. 1;

FIG. 7 is a right side schematic view of a portion of the structure of the grasping mechanism shown in FIG. 6;

fig. 8 is a schematic top view of a platen of a partial structure of the grasping mechanism shown in fig. 6.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal straight," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Where the terms "comprising," "having," and "including" are used herein, another element may be added unless an explicit limitation is used, such as "only," "consisting of … …," etc. Unless mentioned to the contrary, terms in the singular may include the plural and are not to be construed as being one in number. It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of the present invention.

As shown in fig. 1, an embodiment of the present invention provides a welding apparatus for a pole plate, including a feeding device 12, a welding device 13, a discharging device 14, and a grabbing mechanism 15.

The feeding device 12 is used for conveying a welding piece, the welding device 13 is arranged at the downstream side of the feeding device 12 and is used for welding the welding piece, and the blanking device 14 is arranged at the downstream side of the welding device 13.

The grabbing mechanism 15 is used for grabbing the welded sheets to be transferred among the feeding device 12, the welding device 13 and the discharging and boxing device.

The welding sheet is a rectangular metal sheet for welding component parts, and specifically comprises a wavy metal sheet and a straight metal sheet.

Through setting up foretell welding equipment, the welding piece is carried through loading attachment 12, snatch mechanism 15 and snatch welding piece that loading attachment 12 carried to welding set 13, and for welding the composition accessory, snatch mechanism 15 and need grab twice, can snatch wavy welding piece earlier, snatch straight welding piece afterwards, also can snatch straight welding piece earlier, snatch wavy welding piece afterwards, place two welding piece stacks in welding set 13, welding set 13 carries out welding process to two welding pieces that the stack set up, after the welding is accomplished, two welding pieces link together, it can snatch two welding pieces simultaneously and transport to unloader 14 to snatch mechanism 15. Therefore, the feeding, the welding and the discharging are all automatically carried out, and the production efficiency is effectively improved.

In some embodiments, the welding equipment further includes a frame 11, and the feeding device 12, the welding device 13, the material grabbing mechanism, and the discharging device 14 are all disposed on the frame 11, so as to ensure the integrity of the welding equipment, and facilitate the transportation of the equipment.

In some embodiments, the feeding device 12 includes a first feeding mechanism 12A and a second feeding mechanism 12B, the first feeding mechanism 12A and the second feeding mechanism 12B are disposed on the frame 11, the first feeding mechanism 12A is used for conveying the wavy welding sheets, and the second feeding mechanism 12B is used for conveying the flat welding sheets, and for convenience of description, the welding sheets are replaced below.

Further, the first feeding mechanism 12A and the second feeding mechanism 12B have the same structure, and only the structure of the first feeding mechanism 12A is described below, and those skilled in the art can determine the structure of the second feeding mechanism 12B based on the structure of the first feeding mechanism 12A without any doubt, so that the description is omitted.

Referring to fig. 2-4, in some embodiments, the first feeding mechanism 12A includes a supporting plate 121 and a plurality of positioning posts 122, the supporting plate 121 is disposed on the frame 11, and the positioning posts 122 are disposed on the supporting plate 121 at intervals to form a first fixing position 129 for positioning the solder sheet on the supporting plate 121.

Further, the plurality of positioning posts 122 are divided into two groups, two groups of positioning posts 122 are arranged at intervals, and the plurality of positioning posts 122 of each group are arranged at intervals to form two first fixing positions 129 which are arranged at intervals on the bearing plate 121 and used for positioning two groups of welding sheets, wherein the number of each group of welding sheets is at least one.

Referring to fig. 3 and 4, in some embodiments, the positioning pillar 122 is disposed on one side of the carrier plate 121 along the first direction, and the positioning pillar 122 extends lengthwise along the first direction. Further, the bearing plate 121 is provided with a jacking groove penetrating through the bearing plate along two opposite sides of the first direction, the jacking groove is partially overlapped with the first fixing position 129 in the first direction, the first feeding mechanism 12A further comprises a jacking plate 123, the jacking plate 123 is the same as the jacking groove in shape and is in clearance fit with the jacking groove, and the jacking plate 123 can reciprocate along the first direction to push the welding sheet in the first fixing position 129 to reciprocate along the first direction.

Thus, when a plurality of welding sheets are placed in the first fixing position 129, the welding sheets are stacked in the vertical direction, the welding sheets in the first fixing position 129 can be driven to lift through the lifting plate 123, and after the grabbing mechanism 15 grabs the topmost welding sheet. The jacking plate 123 rises so that the topmost weld tab is always at the same height, facilitating the grabbing mechanism 15 to grab the weld tab.

The first direction is the up-down direction shown in fig. 2, and the first direction is the vertical direction in actual use.

It should be explained that the jacking slot is partially overlapped with the first fixing position 129 in the first direction, that is, when the welding sheet is placed at the first fixing position 129, the welding sheet covers part of the jacking slot, but the welding sheet cannot fall into the jacking slot. Meanwhile, when there are two first fixing locations 129, the number of the jacking slots may still be one, and one jacking slot is partially overlapped with two first fixing locations 129 at the same time in the first direction, as shown in fig. 3 and 4.

Because the first fixing position 129 is formed by enclosing the plurality of positioning columns 122 and the bearing plate 121, the positioning columns 122 extend lengthwise along the first direction, and the jacking grooves penetrate through the jacking plate 123 along both sides of the first direction, the positioning columns 122 cannot coincide with the jacking grooves in the first direction, that is, the positioning columns 122 cannot influence the movement of the jacking plate 123 in the first direction, so that the jacking plate 123 can move along the first direction to drive the welding sheet in the first fixing position 129 to lift.

In some embodiments, the lifting plate 123 has a plurality of loading positions during the reciprocating movement along the first direction, and when the lifting plate 123 is located at any loading position, the topmost solder tab is spaced from the carrier plate 121 by a predetermined distance in the first direction.

It will be appreciated that, as described above, in order to ensure that the welding tabs grabbed by the grabbing mechanism 15 each time are located at the same height, i.e., at a predetermined distance from the loading plate 121 in the first direction, the lifting plate 123 is raised by the same height as the thickness of the welding tabs for each grabbing of the welding tabs, and the corresponding lifting plate 123 has a plurality of loading positions.

Further, the first feeding mechanism 12A further includes a first detector 124, and the first detector 124 is disposed on the frame 11 and configured to detect whether there is a welding sheet at a height that is spaced from the bearing plate 121 in the first direction by a preset distance, that is, detect whether the welding sheet reaches a height that is grabbed by the grabbing mechanism 15.

In practical applications, the first feeding mechanism 12A further includes a second detector 125, and the second detector 125 is disposed on the lifting plate 123 and is used for detecting whether a welding piece exists on the lifting plate 123. It is determined that the soldering terminal is lifted by the lifting plate 123, and thus the second detector 125 is disposed on the lifting plate 123.

When the second detector 125 detects that there is a solder tab on the carrier plate 121, but the first detector 124 does not detect the solder tab, the lifting plate 123 is lifted until the solder tab reaches the corresponding height and is detected by the first detector 124, the lifting plate 123 stops lifting, and the grabbing mechanism 15 operates to grab the topmost solder tab.

When the second detector 125 detects that there is no welding piece on the bearing plate 121, an alarm connected to the second detector 125 can give an alarm to prompt the replacement of the bearing plate 121.

The connection between the alarm and the detector is conventional, and a person skilled in the art can select the form of the alarm and connect the alarm with the detector according to the requirement, which is not described herein.

Specifically, the first detector 124 and the second detector 125 are both sensors, the first sensor is a photoelectric sensor, and the second detector 125 can be a photoelectric sensor or a pressure sensor.

In some embodiments, the first feeding mechanism 12A further includes a first driving member 126, the first driving member 126 is disposed on the frame 11, and the first driving member 126 is in transmission connection with the lifting plate 123 to drive the lifting plate 123 to move back and forth along the first direction. Specifically, the first driving member 126 is a servo jacking electric cylinder.

In some embodiments, the first feeding mechanism 12A further includes an intermediate component 127, the intermediate component 127 is disposed on the frame 11, the supporting plate 121 is supported by the intermediate component 127, and the first driving member 126 is connected to the intermediate component 127, so that the supporting plate 121 and the first driving member 126 are fixed relative to the frame 11.

It should be noted that, the middle component 127 is disposed on the frame 11 for fixing the first driving component 126 or forming a position for placing the bearing plate 121, and those skilled in the art can arrange the middle component according to fig. 2 or select other structures as long as the first driving component 126 and the bearing plate 121 can be fixed relative to the frame 11, and the first driving component 126 can drive the lifting plate 123 to move.

In addition, the bearing plate 121 is fixed relative to the frame 11 through the middle assembly 127, that is, the middle assembly 127 is provided with a mounting position for placing the bearing plate 121, after the second detector 125 detects that no material sheet exists on the lifting plate 123, the lifting plate 123 descends to the initial position, and an operator will replace the bearing plate 121 provided with the welding sheet, so that the position of the bearing plate 121 is fixed every time, the grabbing mechanism 15 grabs the welding sheet at the same position, and the grabbing precision is ensured.

Referring to fig. 1, in some embodiments, there are two first feeding mechanisms 12A and two second feeding mechanisms 12B, the two first feeding mechanisms 12A are spaced apart from each other, and the two second feeding mechanisms 12B are spaced apart from each other.

It should be explained that the first feed devices 12A are used for feeding the wavy solder tabs, but the wavy solder tabs are also divided into longer solder tabs and shorter solder tabs, wherein one first feed device 12A is used for feeding the short wavy solder tabs and the other feed device is used for feeding the long wavy solder tabs, as well as the second feed device 12B and the flat solder tabs.

As shown in fig. 3 and 4, the positioning posts 122 in fig. 3 are formed with two first fixing positions 129 for positioning short soldering pieces, and the positioning posts 122 in fig. 4 are formed with two first fixing positions 129 for positioning long soldering pieces.

In some embodiments, the frame 11 is further provided with a first pressing assembly 112, and the first pressing assembly 112 is disposed on the peripheral side of the bearing plate 121 for pressing and fixing the bearing plate 121. In practical applications, the first pressing assemblies 112 include two sets, and the two sets of the first pressing assemblies 112 are used for pressing two opposite ends of the same side of the bearing plate 121.

In some embodiments, the welding device 13 includes a welding positioning mechanism 13A and a laser welding mechanism 13B, the welding positioning mechanism 13A and the laser welding mechanism 13B are both disposed at the downstream side of the feeding device 12, the grabbing mechanism 15 is configured to grab the welding sheet conveyed by the feeding device 12 and place the welding sheet on the welding positioning mechanism 13A for positioning, and the laser welding mechanism 13B is configured to perform welding processing on the welding sheet positioned on the welding positioning mechanism 13A.

It should be noted that the laser welding mechanism 13B is a conventional technique, and is not described herein.

Referring to fig. 5, in some embodiments, the welding positioning mechanism 13A includes a first mounting plate, the first mounting plate is provided with a positioning groove 1312 penetrating through the first mounting plate along two opposite sides of the first mounting plate along a first direction, a supporting portion 1314 is protruded on an inner wall of the positioning groove 1312, and the welding sheet is placed in the positioning groove 1312 and supported by the supporting portion 1314.

Further, the welding positioning mechanism 13A further includes a first positioning block 132 and a second positioning block 133, the first positioning block 132 is disposed on the positioning groove 1312 in a reciprocating manner along a second direction perpendicular to the first direction, the second positioning block 133 is disposed on the positioning groove 1312 in a reciprocating manner along a third direction perpendicular to the first direction and forming an angle with the second direction, the first positioning block 132 and the second positioning block 133 have positioning positions during the moving process, and when the first positioning block 132 and the second positioning block 133 are located at the positioning positions, the first positioning block 132, the second positioning block 133 and the inner wall of the positioning groove 1312 are matched to form a second fixing position for fixing the welding sheet.

It should be noted that, as can be seen from fig. 1, 2 and 5, the first direction is the up-down direction in fig. 2 and the vertical direction in practical application, so that in fig. 1 and 5, the first direction is the front-back direction, and in a preferred embodiment, the second direction is perpendicular to the third direction, the second direction is the left-right direction in fig. 5, and the third direction is the up-down direction in fig. 5.

Meanwhile, the welding sheet is disposed in the positioning groove 1312 and supported by the supporting portion 1314, and the second fixing position is defined by the first positioning block 132, the second positioning block 133 and the inner wall of the positioning groove 1312, so that it can be determined without any doubt that the orthographic projection area of the supporting portion 1314 on the horizontal plane is smaller than the area of the positioning groove 1312.

Specifically, the positioning groove 1312 is a rectangular through groove, the supporting portion 1314 is rectangular and is located at one corner of the rectangular through groove, the first positioning block 132 is reciprocally movable between the supporting portion 1314 and the inner wall of the positioning groove 1312 along one side of the second direction, and the third positioning block is reciprocally movable between the supporting portion 1314 and the inner wall of the positioning groove 1312 along one side of the third direction.

In some embodiments, the welding positioning mechanism 13A further includes a second driving element 134 and a third driving element 135, the second driving element 134 and the third driving element 135 are fixed relative to the first mounting plate, the first positioning block 132 is in transmission connection with the second driving element 134, and the second positioning block 133 is in transmission connection with the third driving element 135 so as to be driven to move back and forth along the second direction and the third direction, respectively.

Specifically, the second driving element 134 and the third driving element 135 are both servo push rods, and the servo push rods are disposed at the bottom of the first mounting plate.

In some embodiments, the number of the positioning slots 1312 is multiple, and the number of the supporting portions 1314, the first positioning blocks 132 and the second positioning blocks 133 is the same as that of the positioning slots 1312, the corresponding supporting portions 1314, the first positioning blocks 132 and the second positioning blocks 133 are disposed in the positioning slots 1312, and the first positioning blocks 132 or the second positioning blocks 133 can be driven by the second driving member 134 or the third driving member 135 respectively to fix the plurality of welding sheets simultaneously and perform welding processing on the plurality of welding sheets, thereby improving the production efficiency. Specifically, the number of the positioning grooves 1312 is four.

It should be explained that the sizes of the positioning grooves 1312 may not be all the same, and as shown above, the welding pieces are divided into long welding pieces and short welding pieces, and since the welding pieces are different in length, the welding pieces are longitudinally arranged in the positioning grooves 1312 along the third direction, and the lengths of the corresponding positioning grooves 1312 along the third direction are also different, so as to conveniently put in and fix the welding pieces of the corresponding lengths.

The grabbing mechanism 15 first grabs a plurality of wavy or straight welding sheets and places the welding sheets in a plurality of positioning grooves 1312, one welding sheet is placed in each positioning groove 1312, then the grabbing mechanism 15 grabs a plurality of straight or straight welding sheets and places the welding sheets in the positioning grooves 1312 and the welding sheets above the welding sheets placed in advance, and then the two welding sheets in the positioning grooves 1312 are fixed simultaneously through the first positioning block 132 and the second positioning block 133.

In some embodiments, the first positioning block 132 is stepped, and the first positioning block 132 includes a first positioning portion and a second positioning portion, the first positioning portion is fixedly connected to the second positioning portion, and an orthogonal projection of the first positioning portion on a horizontal plane is located within an orthogonal projection of the second positioning portion.

Further, the first positioning portion and the second positioning portion are both cuboids, the width of the second positioning portion along the second direction is smaller than the width of the first positioning portion along the second direction, and one side of the first positioning portion facing the supporting portion 1314 protrudes out of the second positioning portion by a preset length.

In practical applications, the upper surface of the first positioning portion protrudes from the upper surface of the supporting portion 1314 by a predetermined height in the first direction, and the second positioning portion is disposed on the upper surface of the first positioning portion.

It should be noted that, for the two welding sheets stacked in the same positioning groove 1312, the lengths of the two welding sheets are the same regardless of the length of the long welding sheet or the short welding sheet, and in the above embodiment, when the welding sheets are placed in the positioning groove 1312, the welding sheets are longitudinally arranged in the third direction and have the same length, so that the two stacked welding sheets can be fixed by the second positioning block 133 at the same time.

Meanwhile, the two welding sheets in the same positioning groove 1312 are different in width, and in order to perform positioning in the width direction of the two welding sheets through the same positioning block, the first positioning portion protrudes from the second positioning portion by a predetermined length, which is the width difference between the two welding sheets, so that when the first positioning portion abuts against the welding sheet with the smaller width, the second positioning portion can abut against the welding sheet with the larger width.

In addition, in order to ensure that the first positioning portion and the second positioning portion can be abutted against the two stacked welding sheets at the same time, since the second positioning portion is disposed on the upper surface of the first positioning portion, the side of the first positioning portion facing the supporting portion 1314 protrudes from the second positioning portion, and the first positioning portion is used for positioning the welding sheet with the smaller width, the welding sheet with the smaller width in the positioning groove 1312 is placed below the welding sheet with the larger width. In order to avoid the first positioning portion abutting against the welding sheet with a larger width, it is necessary to ensure that the height of the first positioning portion protruding from the supporting portion 1314 in the first direction is smaller than the thickness of the welding sheet, i.e., the preset height is smaller than the thickness of the welding sheet.

Of course, in other embodiments, the first positioning portion may be disposed on the upper surface of the second positioning portion, that is, the welding sheet with a larger width is placed below the welding sheet with a smaller width, but the height of the second positioning portion protruding from the supporting portion 1314 in the first direction is greater than the thickness of the welding sheet.

In some embodiments, the welding positioning mechanism 13A further includes an absorption component 136, and the absorption component 136 is disposed on the supporting portion 1314 and is used for absorbing the welding sheet supported on the supporting portion 1314. In practical applications, the suction member includes a plurality of suction members 136, and at least two suction members 136 are disposed on each support 1314.

In some embodiments, the suction assembly 136 includes a suction cup having a surface for suction that is flush with the upper surface of the support 1314, and a suction associated with the suction cup for creating a negative pressure on the suction cup to create a suction force on the bonding pad.

It should be noted that the adsorption component 136 is used for adsorbing the welding sheet to ensure that the welding sheet is stably supported on the supporting portion 1314, and if the wavy welding sheet is located below, the wavy welding sheet cannot be attached to the upper surface of the supporting portion 1314, and the adsorption force of the adsorption component 136 to the wavy welding sheet is not strong to the straight welding sheet, so that the grabbing mechanism 15 preferably grabs the straight welding sheet to the welding positioning mechanism 13A for positioning. Of course, the wavy welding sheet is placed below, and the sucking disc can provide certain suction force.

In some embodiments, the weld positioning mechanism 13A further includes a second hold-down assembly 137, the second hold-down assembly 137 being disposed to the first mounting plate 131.

Referring to fig. 6 and 7, in some embodiments, the grabbing mechanism 15 includes a connecting plate 152, a pressing plate 153 and a plurality of first suction fittings 154, the plurality of first suction fittings 154 are disposed on the connecting plate 152, each first suction fitting 154 has a first suction end, the pressing plate 153 has a connecting portion 1532 and a plurality of first pressing portions 1534, the connecting portion 1532 is detachably connected to one side of the connecting plate 152 along a first direction, the plurality of first pressing portions 1534 are connected to a side of the connecting portion 1532 away from the connecting plate 152, the first suction fitting 154 penetrates through the connecting plate 152, and the first suction end is flush with an end of the first pressing portion 1534 away from the connecting portion 1532 in the first direction.

Further, the plurality of first suction parts 154 and the plurality of first pressing parts 1534 are alternately spaced in a fourth direction perpendicular to the first direction.

As can be seen from fig. 1 and 7, the first direction is the up-down direction in fig. 7, and the fourth direction is the left-right direction in fig. 7. Meanwhile, since the grasping means 15 needs to transfer the solder sheets between the respective devices, the fourth direction is only a form illustrating that the first suction members 154 and the first pressing portions 1534 are alternately arranged at intervals in a straight direction.

When snatching the welding piece, ensure that a plurality of first suction fittings 154 and a plurality of first portion 1534 that compresses tightly arrange the orientation the same with the lengthwise direction of welding piece, then support first portion 1534 that compresses tightly in the welding piece, the cooperation deviates from the even straight first absorption end of connecting portion 1532 one end with first portion 1534 that compresses tightly, first absorption end can support with first portion 1534 that compresses tightly simultaneously and press on the welding piece, and to wavy welding piece or the straight welding piece that has the stick-up limit condition, the first portion 1534 that compresses tightly of accessible flattens the welding piece, next accessible first absorption end adsorbs the welding piece and snatchs, ensure to snatch the welding piece that mechanism 15 can be stable, reduce and snatch the degree of difficulty, thereby snatch efficiency, and improve production efficiency.

It should be noted that the first pressing portion 1534 presses the welding sheet flat for the convenience of the first adsorption end adsorbing the welding sheet and transferring the welding sheet, and the transfer time is not long, so that the first adsorption end does not press the welding sheet for a long time, and the wavy welding sheet is restored after the welding sheet is released to the welding positioning mechanism 13A.

In some embodiments, the grabbing mechanism 15 further includes a second mounting plate 155 and an elastic member, the connecting plate 152 is disposed on the second mounting plate 155 in a reciprocating manner along the first direction, the elastic member is connected between the second mounting plate 155 and the connecting plate 152 for providing an elastic force to make the connecting plate 152 away from the second mounting plate 155, and the connecting portion 1532 is detachably connected to a side of the connecting plate 152 away from the second mounting plate 155.

Through setting up the elastic component, when connecting plate 152 moved along the first direction and drives the absorption end and the first portion 1534 that compresses tightly and support and press on the welding piece, avoid absorption end and first portion 1534 that compresses tightly and the hard contact of welding piece to avoid damaging the welding piece.

Further, the grabbing mechanism 15 further comprises a guide rod 156, the guide rod 156 is connected to the second mounting plate 155 in a reciprocating manner along the first direction, and the guide rod 156 is fixedly connected to a side of the connecting plate 152 facing away from the second mounting plate 155.

The guiding rod 156 has a pressing position in the reciprocating process along the first direction, when the guiding rod 156 is at the pressing position, the elastic member is in a compressed state, and one end of the first pressing portion 1534 departing from the connecting portion 1532 and the first absorbing end are both pressed against the welding sheet.

So, when propping to press in the welding piece and flattening the welding piece with first portion 1534 that compresses tightly, pressure is the elasticity of elastic component, and the accessible is selected suitable elastic component, ensures that elasticity is moderate to avoid too big crushing welding piece of pressure, perhaps the unable welding piece that flattens of pressure undersize.

In practice, the grabbing mechanism 15 further comprises a linear bearing 157, the linear bearing 157 is provided with a second mounting plate 155, and the guide rod 156 is coupled to the linear bearing 157 in a manner of reciprocating along the first direction.

Specifically, the number of the guide rods 156 connected to the connecting plate 152 is two, each guide rod 156 is coupled to a corresponding linear bearing 157, the elastic member is a spring, and the two springs are sleeved on the two guide rods 156.

In some embodiments, the grabbing mechanism 15 further includes a plurality of second suction members 158, the plurality of second suction members 158 are disposed on the connection plate 152, and each of the second suction members 158 has a second suction end. Further, the pressing plate 153 further includes a plurality of second pressing portions 1536, the plurality of second pressing portions 1536 are connected to a side of the connecting portion 1532 away from the connecting plate 152, the second suction member 158 penetrates through the connecting plate 152, and the second suction end is flush with an end of the second pressing portion 1536 away from the connecting portion 1532 in the first direction.

In practical applications, the plurality of second suction members 158 and the plurality of second pressing portions 1536 are alternately disposed in the fourth direction. Specifically, an end of the first pressing portion 1534 facing away from the connecting portion 1532 is flush with an end of the second pressing portion 1536 facing away from the connecting portion 1532, the plurality of first pressing portions 1534 correspond to the plurality of second pressing portions 1536 one by one, each of the first pressing portions 1534 and the corresponding second pressing portion 1536 are disposed at intervals in a fifth direction perpendicular to the first direction and the fourth direction, and the corresponding first suction member 154 and the corresponding second suction member 158 are also disposed opposite to each other in the fifth direction.

In fig. 6, the first direction is the up-down direction, the fourth direction is the front-back direction, and the fifth direction is the left-right direction.

The first and second pressing portions 1534 and 1536 correspond to each other in the fifth direction, and the first and second pressing portions 1534 and 1536 and the second absorbing member 158 are alternately disposed at intervals in the fourth direction, so that the pressing lengths of the first and second pressing portions 1534 and 1536 in the fourth direction are the same, two welding sheets with the same length can be parallelly and alternately disposed at the same horizontal height, when the first pressing portions 1534 are pressed against one of the welding sheets, the second pressing portions 1536 are pressed against the other welding sheet, and then the first and second absorbing ends can respectively absorb the two welding sheets, so that the capturing mechanism 15 can simultaneously capture the two welding sheets with the same length, thereby improving the capturing efficiency and improving the production efficiency.

In some embodiments, the first plurality of pressing parts 1534 and the first plurality of suction members 154 are alternately spaced in the fourth direction to have a length corresponding to a length of the welding tab.

In some embodiments, the first suction member 154 has the same structure as the second suction member 158, and has the same structure as the suction component 136, which is not described herein, as long as the first suction end and the second suction end can suck the welding tab after the first pressing portion 1534 and the second pressing portion 1536 can flatten the welding tab.

It should be noted that, in other embodiments, a plurality of third absorbing members and a plurality of third compressing portions may be further provided, and the compressing portions and the absorbing members are provided in the same manner to simultaneously flatten and absorb more welding sheets. Of course, it is preferable to provide the first suction member 154 and the first pressing portion 1534 and the second suction member 158 and the second pressing portion 1536.

Meanwhile, referring to fig. 6, when only the first pressing portion 1534 and the first suction member 154, and the second pressing portion 1536 and the second suction member 158 are disposed, the first pressing portion 1534 and the second pressing portion 1536 are disposed at the bottom of the connecting portion 1532 and are respectively located at the edge positions of two opposite sides of the connecting portion 1532 along the fifth direction, meanwhile, the first pressing portions 1534 and the second pressing portions 1536 are disposed at intervals along the fourth direction, two edges of the connecting portion 1532 along the fifth direction are provided with a plurality of notches, a corresponding notch is formed between every two first pressing portions 1534 or every two second pressing portions 1536, and the first suction member 154 or the second suction member 158 is disposed through the corresponding notch.

In addition, because the pressure that the elastic component provided makes the portion of compressing tightly weld the piece that flattens, under the condition of selecting suitable elastic component, pressure is unchangeable, only conveniently adsorbs under the condition of the welding piece that flattens moreover and snatchs the welding piece, consequently the portion of compressing tightly can only flatten and stably adsorb the welding piece that corresponds quantity, the overload condition can not appear.

Referring to fig. 7, in some embodiments, the grabbing mechanism 15 further includes a first magnetic member 159, the first magnetic member 159 is disposed on the connecting plate 152, and the first magnetic member 159 and the pressing plate 153 can attract each other, so that the connecting plate 152 and the pressing plate 153 can be detachably connected.

In practical applications, the connecting plate 152 is provided with a fixing portion 1522, and the first magnetic member 159 is fixed to the fixing portion 1522. Specifically, the first magnetic element 159 is an electromagnet, and the pressing plate 153 is made of a magnetic material, so as to facilitate the connection and separation of the pressing plate 153 and the connecting plate 152.

Of course, in other embodiments, a second magnetic member capable of attracting each other is disposed on the pressing plate 153 and is made of a magnetic material, and the first magnetic member 159 is also capable of attracting each other.

In some embodiments, at least two positioning pins are disposed on one side of the connection plate 152 facing the pressing plate 153, at least two positioning holes 1538 corresponding to the positioning pins are disposed on one side of the pressing plate 153 facing the connection plate 152, and when the pressing plate 153 is connected to the connection plate 152, the positioning pins are engaged with the positioning holes 1538 to position the pressing plate 153 relative to the connection plate 152.

Referring to fig. 7, in some embodiments, the grabbing mechanism 15 further includes a third detector 160, and the third detector 160 is disposed on the connection plate 152 and is used for detecting whether the pressing plate 153 is connected to the connection plate 152. Specifically, the third detector 160 is a photosensor or a pressure sensor.

In some embodiments, the grasping mechanism 15 further includes a fourth detector 161, and the fourth detector 161 is configured to detect whether the guide bar 156 reaches the applanation position.

It should be noted that, when it is determined that the same pressing plate 153 is used for flattening two welding sheets, an appropriate spring is selected, then the distance that the pressing plate 153 needs to move for flattening the welding sheets is determined, and the position of the guide rod 156 when the spring is original long is determined, and then the flattening position can be determined according to the moved distance, but the distance between the position of the guide rod 156 when the spring is original long and the flattening position of the guide rod 156 is greater than the distance that the flattening welding sheets need to move, and the guide rod 156 that is raised to the flattening position can still be raised continuously to ensure that the welding sheets are flattened and avoid the welding sheets from being crushed.

In practical applications, the fourth detector 161 includes a contact switch and a trigger piece, the trigger piece is disposed on the top end of the guide rod 156, the contact switch is disposed on the second mounting plate 155, and when the guide rod 156 is located at the pressing position, the trigger piece contacts with the contact switch.

In addition, the fourth detector 161 may also be in the form of a photo sensor and a shutter, that is, one of the photo sensor and the shutter is disposed on the guide bar 156, and the other is disposed on the second mounting plate 155, when the guide bar 156 moves to the flattening position, the shutter will shield the photo sensor, thereby triggering. Of course, it is preferable that a shutter be provided to the guide bar 156 and a photosensor be provided to the second mounting plate 155 to facilitate wiring of the photosensor.

In some embodiments, the connection plates 152 and the pressing plates 153 are two, each of the connection plates 152 is reciprocally movably disposed on the second mounting plate 155 along the first direction, the two connection plates 152 are oppositely disposed, each of the pressing plates 153 is detachably connected to a corresponding one of the connection plates 152, the plurality of first suction attachments 154 are divided into two groups, each group includes a plurality of first suction attachments 154, and the plurality of first suction attachments 154 of each group are disposed on a corresponding one of the connection plates 152.

Further, in the above embodiments, except for the second mounting plate 155, the other structures correspondingly connected to the connecting plate 152 and the pressing plate 153 include two groups, and the two groups of structures are connected to the corresponding connecting plate 152 or the corresponding pressing plate 153.

In practical application, the lengths of the two connecting plates 152 and the pressing plate 153 are different, so that each pressing plate 153 simultaneously flattens two welding sheets with the same length, but the two pressing plates 153 are used for flattening two groups of welding sheets with different lengths, namely, the long welding sheet and the short welding sheet, the structure for flattening and grabbing the short welding sheet is arranged on the left side in fig. 6, the structure for flattening and grabbing the long welding sheet is arranged on the right side, and the pressing plate 153 for flattening and flattening the long welding sheet is arranged in fig. 8.

Thus, under the condition that each connecting plate 152 only connects the first suction piece 154 and the second suction piece 158, and each pressing plate 153 only has the first pressing portion 1534 and the second pressing portion 1536, the grabbing mechanism 15 can simultaneously suck and grab four welding sheets, namely two short welding sheets and two long welding sheets, and the welding sheets grabbed by adsorption are parallel to each other, two first feeding mechanisms 12A and two second feeding mechanisms 12B are arranged in the corresponding feeding device 12, and each first feeding mechanism 12A and each second feeding mechanism 12B can be simultaneously used for feeding two welding sheets.

Referring to fig. 8, in some embodiments, the pressing plate 153 has a welding groove 1539 penetrating through two opposite sides thereof along a first direction, and the welding groove 1539 penetrates through the connecting portion 1532 and the first pressing portion 1534 or the connecting portion 1532 and the second pressing portion 1536. Thus, when grabbing mechanism 15 and moving twice, grabbing eight welding sheets altogether and putting into four constant head tanks 1312, two welding sheets in constant head tanks 1312 are range upon range of setting, the welding sheet below is adsorbed stably by the sucking disc, in order to ensure that the welding sheet above is stable and the welding sheet below is in contact, can grab mechanism 15 and grab the welding sheet for the second time and place in constant head tanks 1312, through cutting off the power supply to the electro-magnet, thereby make clamp plate 153 and connecting plate 152 separate, thereby clamp plate 153 presses on the welding sheet above, then weld the welding sheet through welding groove 1539 on clamp plate 153, ensure welded reliability.

Meanwhile, when the pressing plate 153 presses on the upper bonding pad, the second pressing component 137 of the welding positioning mechanism 13A can press and fix the pressing plate 153.

Referring to fig. 1 and 6, in some embodiments, the grabbing mechanism 15 further includes a carrying assembly 151, the carrying assembly 151 is disposed on the frame 11, and the carrying assembly 151 is connected to the second mounting plate 155 for transferring the second mounting plate 155. Further, a side of the second mounting plate 155 facing away from the connecting plate 152 is provided with a connecting structure 162, and the carrying assembly 151 is connected to the connecting structure 162.

In some embodiments, the carrying assembly 151 is a robot, and the second mounting plate 155 is driven by the robot to move, so as to grasp the welded piece and transfer the welded piece among the feeding device 12, the welding device 13 and the discharging device 14, specifically, the welded piece of the feeding device 12 is transferred to the welding device 13 for welding, and then the welded piece is transferred to the discharging device 14.

Referring to fig. 1, in some embodiments, the structure of the blanking device 14 is the same as that of the first feeding mechanism 12A and the second feeding mechanism 12B, except that the blanking device 14 is used for receiving materials, so that the lifting plate is disposed at a certain height below the lifting plate after a welding piece is placed thereon, and therefore, the details are not described herein.

Meanwhile, it can be understood that the blanking device 14 collects two welded sheets, and in order to ensure that the height of the grabbing mechanism 15 placed each time is the same, the height of the lifting plate descending is the height of the two welded sheets.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A grasping mechanism, comprising:

a connecting plate;

a plurality of first suction fittings arranged on the connecting plate, wherein each first suction fitting is provided with a first suction end; and

the pressing plate is provided with a connecting part and a plurality of first pressing parts, the connecting part is detachably connected to one side of the connecting plate in a first direction, the first pressing parts are connected to the other side of the connecting part in the first direction, the first suction parts and the first pressing parts are alternately arranged in a fourth direction perpendicular to the first direction at intervals, the first suction parts penetrate through the connecting plate, and the first suction ends and one ends of the first pressing parts, which are far away from the connecting part, are flush in the first direction.

2. The grasping mechanism according to claim 1, further comprising a second mounting plate, and an elastic member, the connecting plate being disposed to be reciprocally movable in the first direction on the second mounting plate, the elastic member being connected between the second mounting plate and the connecting plate for providing an elastic force for moving the connecting plate away from the second mounting plate, the connecting portion being detachably connected to a side of the connecting plate away from the second mounting plate.

3. The grasping mechanism according to claim 2, further comprising a guide rod that is reciprocatably attached to the second mounting plate in the first direction, and that is fixedly attached to a side of the connecting plate that faces the second mounting plate.

4. The grasping mechanism according to claim 3, wherein the guide bar has a flattening position during the reciprocating movement in the first direction;

when the guide rod is located the position of flattening, the one end that first portion of compressing tightly deviates from connecting portion reaches first absorption end all supports and presses in the welding piece.

5. The grasping mechanism according to claim 2, wherein the connecting plates and the pressing plates each include two pieces, each of the connecting plates is reciprocally movably disposed in the second mounting plate along the first direction, and the two connecting plates are disposed opposite to each other, and each of the pressing plates is detachably connected to a corresponding one of the connecting plates;

the first suction fittings are divided into two groups, each group comprises a plurality of first suction fittings, and the first suction fittings of each group are arranged on the corresponding connecting plate.

6. The grabbing mechanism of claim 1, further comprising a plurality of second suction members, wherein the plurality of second suction members are disposed on the connecting plate, and each of the second suction members has a second suction end;

the clamp plate further comprises a plurality of second pressing portions, the second pressing portions are connected to one side, away from the connecting portion, of the connecting plate, the second adsorbing pieces are arranged on the second pressing portions in the fourth direction at intervals in an alternating mode, the second adsorbing pieces penetrate through the connecting plate, and the second adsorbing ends and the ends, away from the connecting portion, of the second pressing portions are flush with each other in the first direction.

7. The grasping mechanism according to claim 6, wherein an end of the first pressing portion facing away from the connecting portion is flush with an end of the second pressing portion facing away from the connecting portion, a plurality of the first pressing portions correspond to a plurality of the second pressing portions one to one, and each of the first pressing portions is disposed at an interval with a corresponding one of the second pressing portions in a fifth direction perpendicular to the first direction and the fourth direction.

8. The grasping mechanism according to claim 1, further comprising a first magnetic member disposed on the connecting plate, wherein the first magnetic member and the pressing plate are attracted to each other.

9. A welding device for pole plates, which is characterized by comprising a feeding device, a welding device, a discharging device and the grabbing mechanism according to any one of claims 1 to 8;

the feeding device is used for conveying welding sheets, the welding device is arranged on the downstream side of the feeding device and is used for carrying out welding treatment on the welding sheets, and the discharging device is arranged on the downstream side of the welding device;

the grabbing mechanism is used for grabbing the welding sheet to be in the feeding device, the welding device and the blanking box are transferred.

10. The welding apparatus for pole plates of claim 9, wherein the gripping mechanism further comprises a handling assembly and a second mounting plate, the connection plate being connected to the second mounting plate, the handling assembly being connected to the second mounting plate for transporting the second mounting plate.

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